\begin{table*}[htbp]
\caption{Performance comparison of different deployment
and compilation strategies in ethanol simulations.
The relative speeds are normalized
to the baseline implementation (\#1).}\label{tb:speed8}
\begin{tabular}{rrrr}
\hline
No. & ms/step & $10^6$ steps/day & Relative Speed \\\hline
1   &    3.97 &             21.8 &            $1$ \\
2   &    7.40 &             11.7 &         $0.54$ \\
3   &    5.58 &             15.5 &         $0.71$ \\
4   &    3.07 &             28.1 &          $1.3$ \\
5   &   0.668 &              129 &          $5.9$ \\
6   &    1.15 &             75.4 &          $3.5$ \\
7   &   0.915 &             94.5 &          $4.3$ \\
8   &   0.486 &              178 &          $8.2$ \\\hline
\end{tabular}
\end{table*}
